Razor blade holder



FIG. 1 is a front elevational view of a razor blade holder; the rear elevational view being a mirror image of the front elevational view;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a front perspective view thereof.

The broken line showing of the razors blade is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a razor blade holder, as shown and described. 